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helium

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helium

Main Entry:: he·li·um
Pronunciation:: \ˈhē-lē-əm, ˈhēl-yəm\
Function:: noun
Etymology:: New Latin, from Greek hēlios
Date:: 1872

: a light colorless inert gaseous element found especially in natural gases and used chiefly for inflating airships and balloons, in lamps, in cryogenic research, and as a component of inert atmospheres (as in welding) — see element table

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